Valeurs de référence : Questions médicales fréquentes
Nom anglais: Reference Values
Descriptor UI:D012016
Tree Number:E05.978.810
Termes MeSH sélectionnés :
Reference Values
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"name": "Diagnostic",
"headline": "Diagnostic sur Valeurs de référence",
"description": "Comment sont déterminées les valeurs de référence ?\nPourquoi les valeurs de référence varient-elles ?\nQuelles analyses utilisent des valeurs de référence ?\nLes valeurs de référence sont-elles universelles ?\nComment interpréter des résultats en dehors des valeurs de référence ?",
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"description": "Comment les traitements sont-ils ajustés selon les valeurs de référence ?\nLes valeurs de référence influencent-elles les médicaments prescrits ?\nQuels traitements sont basés sur des valeurs de référence ?\nLes traitements peuvent-ils normaliser les valeurs de référence ?\nComment les valeurs de référence guident-elles le suivi des traitements ?",
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"description": "Quelles complications peuvent survenir avec des valeurs anormales ?\nLes valeurs de référence anormales sont-elles toujours graves ?\nComment prévenir les complications liées aux valeurs anormales ?\nLes complications peuvent-elles être asymptomatiques ?\nComment évaluer le risque de complications ?",
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"description": "Quels facteurs de risque influencent les valeurs de référence ?\nLes facteurs de risque varient-ils selon les populations ?\nComment réduire les facteurs de risque ?\nLes facteurs de risque peuvent-ils être modifiables ?\nComment les antécédents familiaux affectent-ils les valeurs de référence ?",
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"@type": "Question",
"name": "Comment sont déterminées les valeurs de référence ?",
"position": 1,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles sont établies à partir d'études sur des populations saines et varient selon l'âge et le sexe."
}
},
{
"@type": "Question",
"name": "Pourquoi les valeurs de référence varient-elles ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles varient en fonction de facteurs comme l'âge, le sexe, l'origine ethnique et les méthodes de test."
}
},
{
"@type": "Question",
"name": "Quelles analyses utilisent des valeurs de référence ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles sont utilisées dans les analyses sanguines, urinaires et d'autres tests diagnostiques."
}
},
{
"@type": "Question",
"name": "Les valeurs de référence sont-elles universelles ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, elles peuvent différer selon les laboratoires et les populations étudiées."
}
},
{
"@type": "Question",
"name": "Comment interpréter des résultats en dehors des valeurs de référence ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des résultats anormaux nécessitent une évaluation clinique pour déterminer leur signification."
}
},
{
"@type": "Question",
"name": "Quels symptômes peuvent indiquer des valeurs anormales ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Fatigue, douleurs, changements de poids ou d'appétit peuvent signaler des anomalies."
}
},
{
"@type": "Question",
"name": "Les symptômes sont-ils toujours présents avec des valeurs anormales ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, certaines anomalies peuvent être asymptomatiques et découvertes par des tests."
}
},
{
"@type": "Question",
"name": "Comment les symptômes influencent-ils les valeurs de référence ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des symptômes peuvent indiquer des conditions sous-jacentes affectant les valeurs de référence."
}
},
{
"@type": "Question",
"name": "Les symptômes varient-ils selon l'âge ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certains symptômes peuvent être plus fréquents ou significatifs à différents âges."
}
},
{
"@type": "Question",
"name": "Les symptômes peuvent-ils masquer des anomalies ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des symptômes peuvent masquer des problèmes sous-jacents, rendant le diagnostic difficile."
}
},
{
"@type": "Question",
"name": "Comment les valeurs de référence aident-elles à la prévention ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles permettent d'identifier les risques et de mettre en place des mesures préventives."
}
},
{
"@type": "Question",
"name": "Quels examens préventifs se basent sur des valeurs de référence ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les bilans de santé réguliers, les dépistages de maladies chroniques et les analyses sanguines."
}
},
{
"@type": "Question",
"name": "Les valeurs de référence changent-elles avec l'âge ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles évoluent avec l'âge, nécessitant des ajustements dans les examens préventifs."
}
},
{
"@type": "Question",
"name": "Comment maintenir des valeurs de référence normales ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Adopter un mode de vie sain, incluant une alimentation équilibrée et de l'exercice régulier."
}
},
{
"@type": "Question",
"name": "Les vaccinations influencent-elles les valeurs de référence ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certaines vaccinations peuvent aider à maintenir des valeurs de référence normales."
}
},
{
"@type": "Question",
"name": "Comment les traitements sont-ils ajustés selon les valeurs de référence ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les traitements sont adaptés en fonction des résultats des tests et des valeurs de référence."
}
},
{
"@type": "Question",
"name": "Les valeurs de référence influencent-elles les médicaments prescrits ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles aident à déterminer les dosages et les types de médicaments appropriés."
}
},
{
"@type": "Question",
"name": "Quels traitements sont basés sur des valeurs de référence ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les traitements pour le diabète, l'hypercholestérolémie et d'autres conditions en dépendent."
}
},
{
"@type": "Question",
"name": "Les traitements peuvent-ils normaliser les valeurs de référence ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un traitement efficace peut ramener les valeurs à la normale et améliorer la santé."
}
},
{
"@type": "Question",
"name": "Comment les valeurs de référence guident-elles le suivi des traitements ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles permettent d'évaluer l'efficacité des traitements et d'ajuster les stratégies si nécessaire."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir avec des valeurs anormales ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des complications comme des maladies cardiovasculaires, diabète ou insuffisance rénale peuvent survenir."
}
},
{
"@type": "Question",
"name": "Les valeurs de référence anormales sont-elles toujours graves ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Pas toujours, mais elles peuvent indiquer des problèmes de santé nécessitant une attention."
}
},
{
"@type": "Question",
"name": "Comment prévenir les complications liées aux valeurs anormales ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un suivi régulier et des ajustements de traitement peuvent aider à prévenir les complications."
}
},
{
"@type": "Question",
"name": "Les complications peuvent-elles être asymptomatiques ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certaines complications peuvent ne pas présenter de symptômes jusqu'à un stade avancé."
}
},
{
"@type": "Question",
"name": "Comment évaluer le risque de complications ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'évaluation se fait par des tests réguliers et l'analyse des valeurs de référence."
}
},
{
"@type": "Question",
"name": "Quels facteurs de risque influencent les valeurs de référence ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'alimentation, l'activité physique, le tabagisme et l'hérédité influencent les valeurs."
}
},
{
"@type": "Question",
"name": "Les facteurs de risque varient-ils selon les populations ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les facteurs de risque peuvent varier selon l'origine ethnique et les conditions socio-économiques."
}
},
{
"@type": "Question",
"name": "Comment réduire les facteurs de risque ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Adopter un mode de vie sain, éviter le tabac et faire des examens réguliers peut aider."
}
},
{
"@type": "Question",
"name": "Les facteurs de risque peuvent-ils être modifiables ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des facteurs comme l'alimentation et l'exercice sont modifiables et influencent la santé."
}
},
{
"@type": "Question",
"name": "Comment les antécédents familiaux affectent-ils les valeurs de référence ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les antécédents familiaux de maladies peuvent augmenter le risque et influencer les valeurs."
}
}
]
}
]
}
The Balance Tracking System (BTrackS) Limits of Stability (LOS) protocol is a relatively new means of evaluating unconstrained dynamic postural control ability. While the reliability of this protocol ...
What are typical reference values for the BTrackS LOS protocol with respect to sex, height, and BMI?...
A cross= -section of 800 healthy, young adults (aged 18-29 years; 368 men, 432 women) were administered the BTrackS LOS protocol. Sex, height and weight variables were also captured for the participan...
Results of a stepwise linear regression showed that the outcome measure for BTrackS LOS testing (i.e. LOS Area) was larger in taller individuals and in men. Based on these findings, four percentile ra...
The reference values provided by this study offer much needed guidance to clinicians and researchers for the determination of dynamic balance abnormalities based on BTrackS LOS testing....
Therapeutic advances in lung cancer have turned attention toward patient-reported outcome measures (PROMs) as important clinical outcomes. The Functional Assessment of Cancer Therapy-Lung (FACT-L) is ...
Adults from the US general population (N = 2001) were surveyed between September 2020 and November 2020. Surveys contained 126 questions, including the FACT-L [36 items; FACT-G and four subscales (Phy...
In the total sample, the reference scores were as follows: PWB = 23.1; SWB = 16.8; EWB = 18.5; FWB = 17.6; FACT-G = 76.0; LCS = 23.0, TOI = 63.7, and FACT-L Total = 99.0. Scores were lower for those r...
These data provide US general adult population reference value set for FACT-L. While some of the subscale results were lower than those found in the reference data for other PROMs, these data were obt...
Normative distribution of serum cystatin C and relationship with sex and age in healthy adult Chinese population is unknown....
This is a prospective cohort study. Adult subjects (18 years of age and older) who underwent annual health examination at the Health Management Center in Sir Run Run Hospital were eligible. Subjects w...
The final analysis included a total of 10,640 subjects (40 ± 12 years, 52% men). The median serum cystatin C concentration was 0.73 mg/L (95% CI 0.52-1.03 mg/L) in the overall analysis, 0.79 (95% CI 0...
The median serum cystatin C concentration was 0.73 (95% CI 0.52-1.03 mg/L) in healthy adult Chinese population, 0.79 (95% CI 0.59-1.07 mg/L) in men, and 0.67 (95% CI 0.49-0.95 mg/L) in women. Elevated...
Bone mineral density (BMD) of the proximal femur helps evaluate bone density in children with reduced mechanical loading of the lower extremities. This study provides the first reference values of bon...
Proximal femur scans of 170 boys and 191 girls obtained from DXA (Lunar Prodigy Pro, GE, and software enCORE version 7.53) were un-analyzed and then re-analyzed with the upgraded software enCORE versi...
Sex and Tanner stage-specific BMD normative data were generated. BMD values of the femoral neck and total hip increased with age and pubertal progression. FNBMAD values were not markedly influenced by...
We established normative reference data for BMD of the proximal femur measured by DXA in Thai children aged 5 to 18 years. Our reference data will help clinicians and researchers assess and interpret ...
Amplitude integrated electroencephalography (aEEG) is a bedside neuromonitoring tool, standard within neonatal critical care provision. Its application in children is increasing but normative data und...
This retrospective observational cohort study derives aEEG normative amplitude characteristics from electroencephalograms (EEGs) recorded in Children's Health Ireland at Crumlin. aEEG was derived from...
aEEG amplitudes vary with age and state, increasing over the first 2 years of life before diminishing. Upper and lower margin amplitudes and bandwidth are greater during sleep for children <6 years. R...
aEEG traces evolve with age in childhood and differ from neonatal values. We provide a comprehensive set of aEEG normatives to facilitate clinical interpretation in older children....
In Japan, oral hypofunction has been recognized as a disease since 2018. An alternative to occlusal force testing for assessing oral hypofunction is the evaluation of the number of natural teeth. Subj...
The sample consisted of 184 older adults who visited the Department of Geriatric Dentistry, Showa University Dental Hospital, from July 2018 to January 2020. The subjective masticatory function test (...
A significant correlation (r) was found between the occlusal force test and the Chewing Score 20 (r = 0.526, p < 0.001). The reference value for Chewing Score 20 was < 85. Although the Chewing Score 2...
Herein, a score of < 85 on the subjective masticatory function test was determined to be the optimal quantitative reference. The subjective masticatory function test may be used as an alternative for ...
Over the last decade use of raw acceleration metrics to assess physical activity has increased. Metrics such as Euclidean Norm Minus One (ENMO), and Mean Amplitude Deviation (MAD) can be used to gener...
Wrist-worn accelerometer data from 10 studies involving youth aged 5 to 15 y were pooled. Weekday and weekend waking hours were first calculated for youth in school Years (Y) 1&2, Y4&5, Y6&7, and Y8&9...
The analytical sample included 1250 participants. Physical activity peaked between ages 6.5-10.5 y, depending on metric. For all metrics the highest activity levels occurred in less active participant...
Percentile reference values for average acceleration, intensity gradient, and MX metrics have utility in describing age- and sex-specific values for physical activity volume and intensity in youth. Th...
Measurement of hand grip strength (HGS) has been proposed as a key component of frailty and has also been suggested as a central biomarker of healthy aging and a powerful predictor of future morbidity...
(a) To determine whether a nonlinear relationship model could improve the prediction of handgrip strength (HGS) compared to the linear model and (b) to propose percentiles to evaluate HGS according to...
A cross-sectional descriptive study was developed in a representative sample of the Maule region (Chile). The volunteers amounted to 5,376 participants (2,840 men and 2,536 women), with an age range f...
There were no differences in HGS from 6 to 11 years of age in both sexes; however, from 12 years of age onwards, males presented higher HGS values in both hands (...
The human skull serves as an essential material for facial reconstruction. In particular, the petrous part of the temporal bone is vital due to its compact structure, which can resist mechanical force...
B-mode ultrasound is versatile and safe. The sequelae of aortic disorders in children range from stunted growth in hypoplasia to 90% fatality in ruptured aneurysms. Thus, age-based reference values ar...
To create age-based reference values of paediatric aorta diameters from B-mode ultrasound using the outer-to-outer method....
A retrospective review was done of records of peak systolic anteroposterior aortic diameters, obtained during abdominal ultrasound in children ages 2 days to 17 years between January 2016 and December...
A total of 643 cases (49% female) were recruited into the study. Only 488 cases (76%) had values for the proximal, mid and distal aorta. The cumulative mean age was 9.5±5.1 years while the mean aortic...
An age-based paediatric aortic reference table from B-mode ultrasound using outer-to-outer measurement in a Nigerian population is reported....